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typo: upsteam -> upstream

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Francis Lavoie 2021-04-29 17:48:04 -04:00 • committed by GitHub
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@ -250,4 +250,4 @@ Each entry in the JSON array is a configured [upstream](/docs/json/apps/http/ser
- **num_requests** is the amount of active requests currently being handled by the upstream.
- **fails** the current number of failed requests remembered, as configured by passive health checks.
If your goal is to determine a backend's _availability_, you will need to cross-check relevant properties of the upstream against the handler configuration you are utilizing. For example, if you've enabled [passive health checks](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/) for your proxies, then you need to also take into consideration the `fails` and `num_requests` values to determine if an upstream is considered available: check that the `fails` amount is less than your configured maximum amount of failures for your proxy (i.e. [`max_fails`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/max_fails/)), and that `num_requests` is less than or equal to your configured amount of maximum requests per upsteam (i.e. [`unhealthy_request_count`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/unhealthy_request_count/) for the whole proxy, or [`max_requests`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/upstreams/max_requests/) for individual upstreams).
If your goal is to determine a backend's _availability_, you will need to cross-check relevant properties of the upstream against the handler configuration you are utilizing. For example, if you've enabled [passive health checks](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/) for your proxies, then you need to also take into consideration the `fails` and `num_requests` values to determine if an upstream is considered available: check that the `fails` amount is less than your configured maximum amount of failures for your proxy (i.e. [`max_fails`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/max_fails/)), and that `num_requests` is less than or equal to your configured amount of maximum requests per upstream (i.e. [`unhealthy_request_count`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/health_checks/passive/unhealthy_request_count/) for the whole proxy, or [`max_requests`](/docs/json/apps/http/servers/routes/handle/reverse_proxy/upstreams/max_requests/) for individual upstreams).